SUM insider transaction filings

Summit Materials, Inc. — 20 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2025-02-10. Screen SUM transaction legs live →

FiledFormInsiderReported transactionsSource
2025-02-104Ellerbusch Susan A — DirectorDisposition to issuer (D): 23,386 @ $52.50 · Disposition to issuer (D): 3,815 (derivative) · Disposition to issuer (D): 4,038 (derivative) · Disposition to issuer (D): 3,341 (derivative) · Disposition to issuer (D): 2,547 (derivative)EDGAR
2025-02-104Cooney Anne M — DirectorDisposition to issuer (D): 13,505 @ $52.50 · Disposition to issuer (D): 5,342 (derivative) · Disposition to issuer (D): 4,374 (derivative) · Disposition to issuer (D): 3,815 (derivative) · Disposition to issuer (D): 4,038 (derivative) · Disposition to issuer (D): 3,341 (derivative) · +1 moreEDGAR
2025-02-104Wade Anne K. — DirectorDisposition to issuer (D): 22,121 @ $52.50 · Disposition to issuer (D): 5,342 (derivative) · Disposition to issuer (D): 4,374 (derivative) · Disposition to issuer (D): 3,341 (derivative) · Disposition to issuer (D): 2,547 (derivative)EDGAR
2025-02-104Oates-Forney Tamla — DirectorDisposition to issuer (D): 11,975 @ $52.50 · Disposition to issuer (D): 3,341 (derivative) · Disposition to issuer (D): 2,547 (derivative)EDGAR
2025-02-104Calle Juan Esteban — DirectorDisposition to issuer (D): 3,341 (derivative) · Disposition to issuer (D): 2,547 (derivative)EDGAR
2025-02-104Loomes David — EVP, CementDisposition to issuer (D): 33,674 @ $52.50 · Disposition to issuer (D): 15,895 (derivative) · Disposition to issuer (D): 7,766 (derivative) · Disposition to issuer (D): 13,974 (derivative)EDGAR
2025-02-104Moshouris Irene — DirectorDisposition to issuer (D): 3,341 (derivative) · Disposition to issuer (D): 2,547 (derivative)EDGAR
2025-02-104VELASQUEZ JORGE MARIO — DirectorDisposition to issuer (D): 3,341 (derivative) · Disposition to issuer (D): 2,547 (derivative)EDGAR
2025-02-104Anderson Craig Scott — EVP & Chief Financial OfficerDisposition to issuer (D): 42,351 @ $52.50 · Disposition to issuer (D): 20,840 (derivative) · Disposition to issuer (D): 11,213 (derivative) · Disposition to issuer (D): 17,122 (derivative)EDGAR
2025-02-104DePriest Charles — See RemarksDisposition to issuer (D): 20,873 @ $52.50 · Disposition to issuer (D): 15,358 (derivative) · Disposition to issuer (D): 6,293 (derivative) · Disposition to issuer (D): 11,083 (derivative)EDGAR
2025-02-104Moore Marshall D — See RemarksDisposition to issuer (D): 310 @ $52.50 · Disposition to issuer (D): 5,499 (derivative) · Disposition to issuer (D): 8,191 (derivative) · Disposition to issuer (D): 12,867 (derivative) · Disposition to issuer (D): 8,191 (derivative)EDGAR
2025-02-104Kilgore Jason — See RemarksDisposition to issuer (D): 7,726 @ $52.50 · Disposition to issuer (D): 108,642 @ $52.50 · Disposition to issuer (D): 8,743 (derivative) · Disposition to issuer (D): 6,282 (derivative) · Disposition to issuer (D): 2,795 (derivative) · Disposition to issuer (D): 6,432 (derivative) · +4 moreEDGAR
2025-02-104Gaskill Christopher Burke — See RemarksDisposition to issuer (D): 44,693 @ $52.50 · Disposition to issuer (D): 2,696 (derivative) · Disposition to issuer (D): 5,708 (derivative) · Disposition to issuer (D): 13,589 (derivative) · Disposition to issuer (D): 15,289 (derivative) · Disposition to issuer (D): 8,562 (derivative) · +1 moreEDGAR
2025-02-104Noonan Anne P — President & CEO, DirectorDisposition to issuer (D): 362,421 @ $52.50 · Disposition to issuer (D): 54,364 (derivative) · Disposition to issuer (D): 71,479 (derivative) · Disposition to issuer (D): 102,182 (derivative)EDGAR
2025-02-104Anderson Karli S. — See RemarksDisposition to issuer (D): 48,285 @ $52.50 · Disposition to issuer (D): 15,289 (derivative) · Disposition to issuer (D): 9,222 (derivative) · Disposition to issuer (D): 13,589 (derivative)EDGAR
2025-02-104Frantz Brian D — See RemarksDisposition to issuer (D): 11,402 @ $52.50 · Disposition to issuer (D): 3,634 (derivative) · Disposition to issuer (D): 1,285 (derivative) · Disposition to issuer (D): 2,744 (derivative) · Disposition to issuer (D): 2,839 (derivative) · Disposition to issuer (D): 4,460 (derivative) · +2 moreEDGAR
2025-02-104Grupo Argos S.A. — Director, 10% owner
Cementos Argos S.A. — Director, 10% owner
Argos SEM, LLC — Director, 10% owner
Valle Cement Investments, Inc. — Director, 10% owner
Disposition to issuer (D): 48,547,584 @ $52.50 · Disposition to issuer (D): 6,172,416 @ $52.50 · Disposition to issuer (D): 1 @ $0EDGAR
2025-02-104CANTIE JOSEPH S — DirectorDisposition to issuer (D): 39,036 @ $52.50 · Disposition to issuer (D): 5,187 @ $52.50 · Disposition to issuer (D): 3,341 (derivative) · Disposition to issuer (D): 2,547 (derivative)EDGAR
2025-02-104LANCE HOWARD L — DirectorDisposition to issuer (D): 62,135 @ $52.50 · Disposition to issuer (D): 3,341 (derivative) · Disposition to issuer (D): 2,547 (derivative) · Disposition to issuer (D): 81,611 (derivative)EDGAR
2025-02-104WUNNING STEVEN H — DirectorDisposition to issuer (D): 39,013 @ $52.50 · Disposition to issuer (D): 3,341 (derivative) · Disposition to issuer (D): 2,547 (derivative)EDGAR

Recent 8-K events — Summit Materials, Inc.

FiledFormItems reportedSource
2025-02-108-K1.01 — Entry into a Material Definitive Agreement
1.02 — Termination of a Material Definitive Agreement
2.01 — Completion of Acquisition or Disposition of Assets
3.01 — Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing
3.03 — Material Modification to Rights of Security Holders
5.01 — Changes in Control of Registrant
5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
5.03 — Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2025-02-058-K5.07 — Submission of Matters to a Vote of Security Holders
8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2025-01-288-K2.02 — Results of Operations and Financial Condition
7.01 — Regulation FD Disclosure
EDGAR
2025-01-278-K8.01 — Other EventsEDGAR
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